Method and device for monitoring a behavior of a tire of a vehicle

A method for monitoring a behavior of a tire 2 in a rolling condition comprises the steps of: a) acquiring at S1 a signal (a) representative of an acceleration of a specified point of the tire; b) deriving at S2 from the signal a curve which represents a profile of the acceleration of the point dur...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Nicolas Guinart, Nikita Trushkin, Matthias Kretschmann
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A method for monitoring a behavior of a tire 2 in a rolling condition comprises the steps of: a) acquiring at S1 a signal (a) representative of an acceleration of a specified point of the tire; b) deriving at S2 from the signal a curve which represents a profile of the acceleration of the point during a revolution of the tire (e.g. fig. 4); c) determining at S3 a leading portion and a trailing portion of the curve, corresponding to an entry and exit point of the footprint region of the tire respectively; d) determining at S4 a first and second measure of a volatility of the signal in the leading and trailing portion; and e) determining at S5 an indication of the behavior of the tire based on the first and second measure. In particular, the method may be used e.g. for aquaplaning warning or e.g. for detection of an offroad condition.